OpenRA is an open-source reimplementation of Westwood’s Command & Conquer Red Alert game engine, updated to use the hardware acceleration of modern video cards using OpenGL.




Tempest Rising is described as 'Command distinct factions in a desperate struggle for power and resources in Tempest Rising - a classic RTS set on Earth after a nuclear war' and is a RTS game in the games category. There are four games similar to Tempest Rising for a variety of platforms, including Windows, Mac, Linux, Android and iPhone apps. The best Tempest Rising alternative is OpenRA, which is both free and Open Source. Other Tempest Rising like games are Command & Conquer, Mental Omega and Supreme Commander.
OpenRA is an open-source reimplementation of Westwood’s Command & Conquer Red Alert game engine, updated to use the hardware acceleration of modern video cards using OpenGL.




Command & Conquer (C&C) is a real-time strategy (RTS) video game franchise, first developed by Westwood Studios. The first game was one of the earliest of the RTS genre.




Mental Omega is a free unofficial expansion pack for Command & Conquer Red Alert 2 Yuri's Revenge. It started off as a balance modification. After a few years, it had grown into an unofficial sequel.




This is a real-time RTS, on steroids.
All the normal limiting factors on RTS games, like un-replenishable resources, unit limits, size and range limits have all been stripped away, leaving only a gigantic, huge war game, whose scale is limited only by your imagination.


